Aluminum printed circuit board designed to operate on 12V DC saturated with LEDs SMD5730 with a maximum power consumption of 18W, light intensity 120 lumens per watt. Size of the aluminum printed circuit board 990 mm, warranty of the LEDs 3 years, warranty for money back in case of dissatisfaction 10 days. Important !!! - all high-power LEDs need passive cooling (in most cases a good contact with the luminaire housing is enough, as a rule the operating temperature should be up to 40 degrees Celsius above that of the environment, but not to exceed 80 degrees